<template>
  <div>
    <h2>{{ title }}</h2>
    <span v-for="(item, index) in arr" :key="index">
      <input type="checkbox" v-model="newArr" :value="item" />
      {{ item }}
    </span>

    <ul>
      <li v-for="(item, index) in newArr" :key="index">
        {{ item }}
      </li>
    </ul>
  </div>
</template>

<script>
export default {
  data() {
    return {
      title: '请选择你喜欢的专栏',
      arr: ['科幻', '喜剧', '动漫', '冒险', '科技', '军事', '娱乐', '奇闻'],
      newArr: [],
    }
  },
}
</script>

<style></style>
